Block Diagram - Sony MZ-N420D Service Manual

MZ-N420D

6-1. BLOCK DIAGRAM

RF AMP
IC501
OPTICAL PICK-UP DVCC 29
BLOCK AVCC 53
AVCC2 11
VREF
7 VREF10
ly
56 ly RFO 9
lx
1 lx RFI 40
jy
55 jy
PEAK 48
jx
54 jx
BOTM 47
A
50 A
ABCD 41
B
51
B
FE 42
C
52
C
TE
D 43
49
D
ADFG
23
16
A-C
PD-I 13
15
D-C
MON VC 8
12
PD-NI
GND SMON 18
SBUS 33
SCK 32
LDA RESET 35
APC
14
PDO
Q501
CLK 26
LDK
VCC
VCO2
PDS0
PDS1
MOTOR/COIL DRIVE
IC701
TRK+
30 FO2 FI2 28
TRACKING
RI2 27
COIL
TRK-
32 RO2
FI1 15
FCS+ RI1 16
13 FO1
FOCUS
PWM2 44
COIL
FCS-
11 RO1
UI2 43
MINI DISC
VI2 42
MECHANISM BLOCK
WI2 41
SLED N
26 COM2 CPUO2 45
SLED U
35 UO2 CPVO2 46
25 CPUI2 CPWO2 47
M602 SLED V
37 VO2
(SLED)
PWM1 55
24 CPVI2
SLED W
39 WO2
UI1 56
23 CPWI2
VI1 1
CLV N
17 COM1 WI1 2
CLV U
8 UO1
CPUO1 54
18 CPUI1
CPVO1 53
M601 CLV V
6 VO1
(SPINDLE)
CPWO1 52
19 CPVI1
CLV W
4 WO1 DE 48
20 CPWI1
VC 50
HD DRV+
VG 51
M603
M
(OVER WRITE
VMF1 14
HD DRV-
HEAD UP/DOWN)
VMF2 29
VMR1 10
VMR2 33
VMU1 9
VMU2 34
Signal Path
VMVW1 5
: PLAYBACK VMVW2 38
: RECORD
: USB
X803
22.5792MHz
X802
48MHz
HALF LOCK
S801
(HALF LOCK)
S803
(OPEN/CLOSE)
S806
(PROTECT)
SYSTEM CONTROLLER
HP AMP
DIGITAL SIGNAL PRCESSOR
IC371
IC801(1/2)
V+2 1 UNREG
REGO1 8
AOUT L 4 L IN
V+1 5 REGO1
AOUT R 5 3 R IN
L OUT 9
10
RFI
R OUT 2
15
PEAK
16 BOTM
RMC KEY 169
17
ABCD
RMC DTCK 174
18
FE
23 TE
28 ADFG
29 APC REF
19 VC
22 SE
156 SSB DATA
157 SSB CLK
130 XRF RST
54 FS256
114 PDS0
115 PDS1
SI0 100
SO0 101
31 TFDR SCK0 102
30 TRDR
32 FFDR
33 FRDR
35 SFDR
121 SLD MON
48 SRDR
43 SLD V
EEPROM
44 SLD W
IC852
45 SLC U
4 DO
46 SLC V
3 DI
47 SLC W
12 2 XSK
37 SPFD XCS NV 144 1 XCS
137 SPDL MON
36 SPRD
38 SPD V
39 SPD W
40 SPC U
LCD STB 142
41 SPC V
XCS LCD 141
42 SPC W
143 XRST MTR DRV LCD RST 97
REGO1 REGO1
VG UNREG
UNREG WK DET 166
SET KEY1 162
PLAY_PAUSE_ENTER 171
S807
XHOLD SW 132
SDO0
HOLD SCK0
USB IF VDD 292
1 OSCI
2 OSCO
179 UOSCI
REC DRIVER
IC601
180 UOSCO
EFMO 71 7 EFM VIO 8
168 HALF LOCK SW FS4 34 4 CLK VC 9
VC2 26
4FS
20
RF1
VG 36
VREC PWM 146 19 VREC O1 10
INM1
VREC O2 15
11
L1 1
VREC IN1 42
93 OPEN CLOSE SW 14
L1 2
VREC IN2 37
22
SW DW BT
89 Q603 21 HA 33
PROTECT DW TP
UNREG HB 35
HD CON1 205 6
FI
HD CON2
206 5 RI
OUT B 38
OUT A 41
MODE1 202 3 OE
MODE2 203 2 REC ON
MODE3 204 1 SW
SYSTEM CONTROLLER
DIGITAL SIGNAL PRCESSOR
IC801(2/2)
IFVDD0
IFVDD1
IFVDD2
J304
IFVDD3
IFVDD4
RGND
KEY_R DAVDD
not
used AVD1
DTCK
VCO1 AVD2
RVDD
TSLVDD
MVDD
USB OSC VDD
FVDD0
DRAMVDD0
DRAMVDD1
DRAMVDD3
DRAMVDD4
TSMVDD
AVDD
DVDD0
DVDD1
DVDD2
DVDD3
DVDD4
DVDD5
DVDD6
XRST
SLEEP
XCS PWR IC
FFCLR
DVDD
REGO1
SDO
SCK
STB
XCS
TO
RESET SWITCH
&
LCD MODULE
RESET
Q871
XWK1
UDM
UDP
SET KEY1
PLAY_PAUSE_ENTER
XHOLD
REGO1
VCO1
VG
A
SWITCH
OVER WRITE HEAD
Q604,605
B
38 38
POWER AMP
IC901
REGO1
264 DATA 58 SDO0
43 REGO1
266 VCO1 SCK 60 SCK0
L903
268 CLK 63 4FS
11 VCO1
270
272 XWAKE4 2 HALF LOCK
48 VREF
XWAKE3 3 RMC KEY
19 DTC1
278
XWAKE2 4 PLAY_PAUSE_ENTER
29 DTC2
280
XWAKE1
5
282 VCO2
37 VCOUT
285
44 REGI1
293 40 REGI3
294 10 VC1
299 9 VSTB
286 12 VO1
D903
288
303 13 L1
304 14 L1
L904
284
7 LVB
274
26 VB
L901
24 LG
L902
34 L2
35 L2
D901 D902
254
256 38 VCIN
258 36 VO2
260 42 VC2
262
VG 23 VG
301
302 39 REGO3
212 27 XRST2
123 64 SLEEP
138 59 STRB
124 1 FFCLR
Q672
176
175
UNREG
Q651
(1/2)
Q651
Q652
(2/2)
D653 L651
DC-DC CONV
IC651
1 VDD EXT 5 Q653
2
VOUT
CE 3
D654
Q654
UNREG
LF952
LINE
FILTER
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
1.5V
VBUS
CN651
DATA-
DATA+
REGO1